Finding the Fourth Proportional to 841,192.26, 1,161,261.54 and 519,079.74
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Solution
The fourth proportional to 841,192.26, 1,161,261.54 and 519,079.74 is: 716,586.88
Step by Step Solution
- Step 1: Write the proportion equation
841,192.26 : 1,161,261.54 = 519,079.74 : x - Step 2: Convert to fraction form
841,192.26/1,161,261.54 = 519,079.74/x - Step 3: Cross multiply
841,192.26x = 1,161,261.54 × 519,079.74 - Step 4: Simplify right side
841,192.26x = 602,787,338,255.20 - Step 5: Solve for x
x = 602,787,338,255.20/841,192.26 - Step 6: Final answer
x = 716,586.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.